... 2.0 PDC cutters/diamond compact/PDC1PDC for geology exploring and mining field bits seriesAbrasiveness 1:300,000. Impact resistance:380J PDC ... 1608,1610,1613,1908,1910,1913,1916PDC for geology exploring and mining field bits 1004,1204,1304,1308,1504,1508,1604, ... being contaminative during sintering. 6. Amended the sintering processing, and improved the bonding strength of the diamond-diamond key among ...